GPT and Recurrent upper respiratory tract infections: The most common TEAEs in the ozanimod groups were nasopharyngitis, ALT increase, hypertension, γ-glutamyltransferase increase, pharyngitis, and urinary tract infection; the most common TEAEs in the interferon beta-1a group were influenza-like illness, headache, nasopharyngitis, upper respiratory tract infection, pyrexia, and orthostatic hypotension.